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This question was created from 7.04 Honors Calorimetry.doc https://www.coursehero.com/file/40695329/704-Honors-Calorimetrydoc/

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How do i know which one is endothermic and which one is exothermic

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In a closed system, the total heat given off by warmer substances equals the
total heat energy gained by cooler substances (qwater = -qliquid). Which process in
your activity was endothermic? Which process was exothermic?

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